Ashley, W. H., & Morgan, D. L. (1954). The diary of William H. Ashley, March 25-June 27, 1825: A record of exploration west across the Continental Divide, down the Green River and into the Great Basin. Missouri Historical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAshley, William Henry, और Dale L. Morgan. The Diary of William H. Ashley, March 25-June 27, 1825: A Record of Exploration West Across the Continental Divide, Down the Green River and into the Great Basin. [St. Louis: Missouri Historical Society, 1954.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAshley, William Henry, और Dale L. Morgan. The Diary of William H. Ashley, March 25-June 27, 1825: A Record of Exploration West Across the Continental Divide, Down the Green River and into the Great Basin. Missouri Historical Society, 1954.